in reply to post data to a remote cgi script with a perl script?

Here you go:

use strict;
use HTTP::Request::Common;
use LWP::UserAgent;

my $ua = LWP::UserAgent->new;
$ua->request(POST 'http://somewhere/foo.cgi', 
    [foo => "bar", bar => "foo"]);

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In Section Seekers of Perl Wisdom